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Yoseob Joseph Hwang, M.D., M.Sc.

Yoseob Joseph Hwang, M.D., M.Sc.

Headshot of Yoseob Joseph Hwang
  • Assistant Professor of Medicine

Languages: English, Korean


Internal Medicine

Research Interests

Pharmacoepidemiology; Outcomes Research


Dr. Joseph Hwang is an assistant professor of medicine at the Johns Hopkins University School of Medicine.

Dr. Hwang received his M.D. from Case Western Reserve University School of Medicine. He earned M.Sc. in epidemiology and biostatistics at the University of Western Ontario. He completed his internal medicine residency training at the University of Pittsburgh Medical Center.

His research interests include pharmacoepidemiology and outcomes research. more


  • Assistant Professor of Medicine

Departments / Divisions

Centers & Institutes



  • MD; Case Western Reserve University (2017)


  • Internal Medicine; University of Pittsburgh Medical Center (2020)

Board Certifications

  • American Board of Internal Medicine (Internal Medicine) (2020)

Research & Publications

Selected Publications

View all on PubMed

Hwang YJ, Shariff SZ, Gandhi S, Wald R, Clark E, Fleet JL, Garg AX. Validity of the International Classification of Diseases, Tenth Revision code for acute kidney injury in elderly patients at presentation to emergency department and at hospital admission. BMJ Open 2012;2(6)

Hwang YJ, Dixon SN, Reiss JP, Wald R, Parikh CR, Gandhi S, Shariff SZ, Pannu N, Nash DM, Rehman F, Garg AX. Atypical antipsychotic drugs and the risk for acute kidney injury and other adverse outcomes in older adults: a population-based cohort study. Ann Intern Med 2014;161(4):242-248

Fraser LA, Liu K, Naylor KL, Hwang YJ, Dixon SN, Shariff SZ, Garg AX. Falls and fractures with atypical antipsychotic medication use: a population-based cohort study. JAMA Intern Med 2015;175(3):450-452

Hwang YJ, Lyu B, Chang AR, Inker LA, Grams ME, Shin JI. Sodium-glucose cotransporter-2 inhibitors and the risk of abnormal serum potassium level: a population-based cohort study. Clin J Am Soc Nephrol 2021;16(7):1094-1096

Hwang YJ, Alexander GC, An H, Moore TJ, Mehta HB. Risk of hospitalization and death associated with pimavanserin use in older adults with Parkinson’s disease. Neurology 2021;97(13):e1266-e1275

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